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Keflavik Intl

$283+ Cheap flights from Portland (PDX) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KEF
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Reykjavik Keflavik Intl are usually found in November or April, booked 76 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Portland to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Round-trip from

$397
(CheapOair)

One-way from

$283
(Trip.com)

Popular in

February

Cheapest in

November

Average price

$848

Good round-trip deal

$514 or less

Good one-way deal

$243 or less
From Portland to Reykjavik Keflavik Intl
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One-way flight from Portland to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 31% potential increase in price ($418 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Portland to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Portland to Reykjavik Keflavik Intl.
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Find flight deals from Portland to Keflavik Intl

Cheapest flights from Portland to Keflavik Intl
Explore the most affordable flight options available from Portland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This CheapOair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/147:40 pmPDX - KEF
2 stops53h 30mAir Canada
mié. 7/239:30 amKEF - PDX
2 stops33h 13mAir Canada
Deal found 6/10$397
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/1410:50 pmPDX - KEF
2 stops26h 20mUnited Airlines
mié. 7/239:30 amKEF - PDX
2 stops43h 46mUnited Airlines
Deal found 6/10$402
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/163:20 pmPDX - KEF
Nonstop7h 35mIcelandair
mié. 7/234:50 pmKEF - PDX
Nonstop8h 05mIcelandair
Deal found 6/11$496
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1112:15 pmPDX - KEF
1 stop14h 15mDelta
mié. 10/111:25 amKEF - PDX
1 stop19h 04mDelta
Deal found 6/11$522
This Air France deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/2310:15 amPDX - KEF
2 stops16h 15mAir France
jue. 10/211:25 amKEF - PDX
1 stop19h 04mAir France
Deal found 6/12$527
This KLM deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/265:05 pmPDX - KEF
2 stops30h 15mMultiple Airlines
vie. 10/108:45 amKEF - PDX
1 stop20h 09mMultiple Airlines
Deal found 6/11$534
This KLM deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/911:59 amPDX - KEF
1 stop12h 01mKLM
mié. 7/169:30 amKEF - PDX
2 stops13h 29mKLM
Deal found 6/11$539
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/306:30 pmPDX - KEF
1 stop32h 25mAmerican Airlines
sáb. 12/611:50 amKEF - PDX
1 stop36h 45mAmerican Airlines
Deal found 6/11$654
This Lufthansa deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/238:30 amPDX - KEF
2 stops32h 05mLufthansa
lun. 9/2912:25 amKEF - PDX
2 stops27h 25mLufthansa
Deal found 6/11$686

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Portland to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Portland

Fly to

Keflavik Intl

Route

Depart

Return

Price

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

lun. 7/14

7:40 pm-8:10 am

2 stops53h 30m

Reykjavik Keflavik Intl

mié. 7/23

9:30 am-11:43 am

2 stops33h 13m

$397

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

lun. 7/14

10:50 pm-8:10 am

2 stops26h 20m

Reykjavik Keflavik Intl

mié. 7/23

9:30 am-10:16 pm

2 stops43h 46m

$402

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

mié. 7/16

3:20 pm-5:55 am

Nonstop7h 35m

Reykjavik Keflavik Intl

mié. 7/23

4:50 pm-5:55 pm

Nonstop8h 05m

$496

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

jue. 9/11

12:15 pm-9:30 am

1 stop14h 15m

Reykjavik Keflavik Intl

mié. 10/1

11:25 am-11:29 pm

1 stop19h 04m

$522

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

mar. 9/23

10:15 am-9:30 am

2 stops16h 15m

Reykjavik Keflavik Intl

jue. 10/2

11:25 am-11:29 pm

1 stop19h 04m

$527

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

vie. 9/26

5:05 pm-6:20 am

2 stops30h 15m

Reykjavik Keflavik Intl

vie. 10/10

8:45 am-9:54 pm

1 stop20h 09m

$534

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

mié. 7/9

11:59 am-7:00 am

1 stop12h 01m

Reykjavik Keflavik Intl

mié. 7/16

9:30 am-3:59 pm

2 stops13h 29m

$539

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

dom. 11/30

6:30 pm-10:55 am

1 stop32h 25m

Reykjavik Keflavik Intl

sáb. 12/6

11:50 am-4:35 pm

1 stop36h 45m

$654

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

mar. 9/23

8:30 am-11:35 pm

2 stops32h 05m

Reykjavik Keflavik Intl

lun. 9/29

12:25 am-8:50 pm

2 stops27h 25m

$686

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

dom. 9/21

1:45 pm-8:15 am

1 stop11h 30m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
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Best time to book a flight from Portland to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Portland to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Keflavik Intl. Price data was last updated on June 9, 2025.

The best time to book flights from Portland to Reykjavik Keflavik Intl Airport is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Portland to Reykjavik Keflavik Intl Airport (average of $328). Flying from Portland to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $659). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to KEF?

Find hourly flight availability from Portland to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from Portland to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 40% versus a flight in the evening.

What is the cheapest day to fly from Portland to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Portland to Keflavik Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Reykjavik Keflavik Intl Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated junio 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and KLM from Portland to Reykjavik. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
KLM
7.8
Good
1,358 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Air France
7.5
Good
1,463 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Related info for your journey

Find useful and relevant information for your journey from Portland to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Reykjavik Keflavik Intl?

    Most people fly from Portland (PDX) if they book a flight from Portland to Reykjavik Keflavik Intl. On average, Portland has 1 outbound flight to Reykjavik Keflavik Intl per day from 3 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • What are the cheapest airlines flying from Portland to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $397, Air Canada will fly you from Portland to Reykjavik Keflavik Intl Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Icelandair - these airlines can fly you to your destination from $402 and $496, respectively. Air Canada is currently priced 56% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Portland to Reykjavik Keflavik Intl Airport one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $283. Users have also found prices from $396 and $401 on Air Canada and United Airlines, respectively.

  • What are the cheapest flights from Portland to Reykjavik Keflavik Intl Airport?

    The cheapest flight price from Portland to Reykjavik Keflavik Intl Airport is $200. On average you can expect to pay $1,946. The most popular route, (Portland - Reykjavik Keflavik Intl), can usually be booked for $408.

  • Can I find deals for flights from Portland to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Portland to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Keflavik Intl.

  • Can I find deals for business class flights from Portland to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Portland to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Portland to Reykjavik Keflavik Intl Airport (average of $328). Flying from Portland to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $659). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Portland to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Keflavik Intl flights
Redmond to Keflavik Intl flights
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Top 3 airlines flying from Portland to Keflavik Intl

Discover the top 3 airlines that operate flights from Portland to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$424Average$620FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$448Average$535FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$590Average$800FlexibilityNo cancel feeOn-time76%

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